
S-46
03-E2B SERIES, WSM
DIESEL ENGINE
Main Bearing Case Assembly
1. Remove the two main bearing case screws 1 (8), and remove the
main bearing case assembly being careful with thrust bearing
and crankshaft bearing.
2. Remove the main bearing case 1, 2 as above.
(When reassembling)
• Clean the oil passage in the main bearing case.
• Apply clean engine oil on the bearings.
• Install the main bearing case assemblies in the original positions.
Since diameters of main bearing cases vary, install them in order
of makings (A, B for 3 cylinders, A, B, C for 4 cylinders and A, B,
C, D for 5 cylinders) from the gear case side.
• Match the alignment numbers (1) and mark (2) on the main
bearing case.
• When installing the main bearing case 1 and 2, face the mark
“FLYWHEEL” to the flywheel.
• Install the thrust bearing with its oil groove (9) facing outward.
• Confirm that the main bearing case moves smoothly after
tightening the main bearing case screw 1 (8) to the specified
torque.
W1027366
Tightening torque Main bearing case screw 1
46.1 to 51.0 N·m
4.7 to 5.2 kgf·m
34.0 to 37.6 ft-lbs
(1) Alignment Number
(2) Alignment Mark
(3) A
(4) B
(5) C
(6) D
(7) No Mark
(8) Main Bearing Case Screw 1
(9) Oil Groove
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